Hair curler



FIG. 1 is a front view of a hair curler showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left view thereof;

FIG. 4 is a right view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a perspective view thereof.

In the drawings, the broken lines illustrate portions of the hair curler and form no part of the claimed design. 

CLAIM The ornamental design for a hair curler, as shown and described. 